Nextcloud-App/appinfo/routes.php

<?php
declare(strict_types=1);
// SPDX-FileCopyrightText: BVSC e.V. <no@example.com>
// SPDX-License-Identifier: AGPL-3.0-or-later

/**
 * Create your routes in here. The name is the lowercase name of the controller
 * without the controller part, the stuff after the hash is the method.
 * e.g. page#index -> OCA\UPschooling\Controller\PageController->index()
 *
 * The controller class has to be registered in the application.php file since
 * it's instantiated in there
 */
return [
	'resources' => [
//		'ticket' => ['url' => '/tickets'],
		'ticket_api' => ['url' => '/api/v1/tickets']
	],
	'routes' => [
		['name' => 'page#index', 'url' => '/', 'verb' => 'GET'],
		[
			'name' => 'ticket_api#preflighted_cors',
			'url' => '/api/v1/{path}',
			'verb' => 'OPTIONS',
			'requirements' => ['path' => '.+'],
		],
		[
			'name' => 'ticket_api#fetch_chat',
			'url' => '/api/v1/tickets/{id}/chat',
			'verb' => 'GET',
		],
	],
];